A 10k natural opal gold ring from the 1960s. This size 3-3/4 ring features a claw-set oval cabochon natural opal with intense green fire. It is stamped 10K (rubbed) and it weighs 1.3 grams. It is in excellent vintage condition with no cracks, dents, bends, corrosion, losses, damage or repairs however it does have a chip to one end of the opal.